HD 156331

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HD 156331
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 19m 30.5156s
Declination -50° 03′ 49.545″
Apparent magnitude (V) 6.281
Characteristics
Spectral type F8III+B9V
B−V color index 0.41
Astrometry
Radial velocity (Rv) 10.81 km/s
Proper motion (μ) RA: 7.16 mas/yr
Dec.: -32.33 mas/yr
Parallax (π) 17.95 ± 0.8 mas
Distance 182 ± 8 ly
(56 ± 2 pc)
Absolute magnitude (MV) 6.652
Details
Mass 1.7 M
Radius 1.4 R
Luminosity 0.9 L
Temperature 6,000–7,500 K
Other designations
HR 6423, CD-49° 11324, SAO 244631, HIP 84759.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 156331 is double star.

References[edit]